| MICHIGAN | ||
| Wiltec Technologies | Ann Arbor, MI 48108 | 734.975.2113 |
| P1 Technical Service | Clinton Township, MI 48035 | 586-909-7478 |
| Cincinnati Time Systems | Farmington Hills, MI 48335 | 248-615-8300 |
| Simplex Grinell | Farmington Hills, MI 48335 | 248-640-0460 |
| Radar Security | Grossepointe Woods, MI 48236 | 586-634-9460 |
| Safety System Inc. | Jackson, MI 49202 | 517-490-7050 |
| Knight Watch Inc | Kalamazoo, MI 49048 | 269-381-2100 X1011 |
| Communication Services | Lansing, MI 48910 | 517-719-3388 |
| Consolidated Electric | Lansing, MI 48906-5677 | 517.484.8413 |
| Advance Satellite | Livonia, MI 48150 | 734-838-3281 |
| ASC | Livonia, MI 48150 | 734-793-1422 |
| Building Electronics and Engineering | Livonia, MI 48150 | 734-522-1266 |
| Midwest Security Systems | Marquette, MI 49855 | 906-228-5210 |
| Metro Alarm Systems | Northville, MI 48167 | 517-404-4690 |
| Nova Communications | Rockwood, MI 48173 | 734-652-7468 |
| CNS Electric | Royal Oak, MI 48073 | 810-602-1151 |
| Detroit Low Voltage | Royal Oak, MI 48067 | 313-720-4406 |
| Knight Watch Inc. | Troy, MI 48083 | 248-850-8164 |
| Bossolution | West Bloomfield, MI 48324 | 734-787-3790 |
| Arbor Sound LLC | Westland, MI 48186 | 734-665-8806 |
| All Star Alarm | Whitmore Lake, MI 48189 | 248-361-0079 |
| The AVpro | Ypsilanti, MI 48198 | 734-277-8881 |